Alarms and KPIs Alarms and Events SCEF (23000-23200, 102801-115001, 390000) 23153 - Diameter Command Code not supported 3.14.3 23153 - Diameter Command Code not supported Event Type: SCEF Description: Diameter message received was not processed as it contained an unsupported Command Code. Severity: Info Instance: N/A HA Score: Normal Throttle Seconds: 300 OID: N/A Recovery: It is recommended to contact My Oracle Support for assistance.